Type: 99 alumina ball half ball
Material: 99 alumina
Color: beige
Size: 2-30mm in diameter
Hardness Hv: 1100
Density: 3.85
Elastic modulus: 350
Bending strength: 340
Compressive strength: 2200
Fracture toughness: 4
Maximum operating temperature: 1650
Thermal conductivity: 27.5
Thermal expansion coefficient: 8
Thermal shock resistance: 200
Specific heat: 860
Dielectric constant: 9.1
Breakdown strength (insulation strength): 10
Advantages: long service life, suitable for long-term rotary work, good wear resistance